UBUNTU-CVE-2025-21990
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: NULL-check BO's backing store when determining GFX12 PTE flags PRT BOs may not have any backing store, so bo->tbo.resource will be NULL. Check for that before dereferencing. (cherry picked from commit 3e3fcd29b505cebed659311337ea03b7698767fc)
02 / AFFECTED SOFTWARE
Affected packages
29 explicit affected versions
10 explicit affected versions
11 explicit affected versions
1 explicit affected versions
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26 explicit affected versions
37 explicit affected versions
10 explicit affected versions
10 explicit affected versions
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13 explicit affected versions
78 explicit affected versions
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37 explicit affected versions
8 explicit affected versions
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33 explicit affected versions
16 explicit affected versions
13 explicit affected versions
12 explicit affected versions
5 explicit affected versions
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13 explicit affected versions
10 explicit affected versions
10 explicit affected versions
13 explicit affected versions
1 explicit affected versions
10 explicit affected versions
10 explicit affected versions
1 explicit affected versions
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6 explicit affected versions
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12 explicit affected versions
7 explicit affected versions
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12 explicit affected versions
26 explicit affected versions
1 explicit affected versions
23 explicit affected versions
12 explicit affected versions
14 explicit affected versions
5 explicit affected versions
3 explicit affected versions
26 explicit affected versions
12 explicit affected versions
44 explicit affected versions
4 explicit affected versions
4 explicit affected versions
16 explicit affected versions
9 explicit affected versions
13 explicit affected versions
5 explicit affected versions
7 explicit affected versions
6 explicit affected versions
5 explicit affected versions
13 explicit affected versions
7 explicit affected versions
6 explicit affected versions
10 explicit affected versions
14 explicit affected versions
18 explicit affected versions
3 explicit affected versions
16 explicit affected versions
43 explicit affected versions
11 explicit affected versions
35 explicit affected versions
12 explicit affected versions
13 explicit affected versions
6 explicit affected versions
12 explicit affected versions
15 explicit affected versions
50 explicit affected versions
11 explicit affected versions
12 explicit affected versions
27 explicit affected versions
12 explicit affected versions
7 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: NULL-check BO's backing store when determining GFX12 PTE flags PRT BOs may not have any backing store, so bo->tbo.resource will be NULL. Check for that before dereferencing. (cherry picked from commit 3e3fcd29b505cebed659311337ea03b7698767fc)
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/6cc30748e17ea2a64051ceaf83a8372484e597f1
- https://git.kernel.org/stable/c/6cc30748e17ea2a64051ceaf83a8372484e597f1
- https://git.kernel.org/stable/c/72235808eabea93055b459a63443bd9cd6b08aa4
- https://git.kernel.org/stable/c/af23e39b9e9280b1f6299b6f2fa090a1694240ad
- https://ubuntu.com/security/CVE-2025-21990
- https://ubuntu.com/security/notices/USN-7605-1
- https://ubuntu.com/security/notices/USN-7605-2
- https://ubuntu.com/security/notices/USN-7606-1
- https://ubuntu.com/security/notices/USN-7628-1
- https://www.cve.org/CVERecord?id=CVE-2025-21990